Home / 25,541,139.89-35,266,856.01-20,563,770.51

Finding the Fourth Proportional to 25,541,139.89, 35,266,856.01 and 20,563,770.51

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Solution

The fourth proportional to 25,541,139.89, 35,266,856.01 and 20,563,770.51 is: 28,394,172.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,541,139.89 : 35,266,856.01 = 20,563,770.51 : x
  2. Step 2: Convert to fraction form
    25,541,139.89/35,266,856.01 = 20,563,770.51/x
  3. Step 3: Cross multiply
    25,541,139.89x = 35,266,856.01 × 20,563,770.51
  4. Step 4: Simplify right side
    25,541,139.89x = 725,219,533,579,565.50
  5. Step 5: Solve for x
    x = 725,219,533,579,565.50/25,541,139.89
  6. Step 6: Final answer
    x = 28,394,172.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.